Fix reference to internal-only directory in documentation.

RELNOTES: None.
PiperOrigin-RevId: 255936305
diff --git a/site/docs/test-encyclopedia.html b/site/docs/test-encyclopedia.html
index cd2a7f3..19f90c5f 100644
--- a/site/docs/test-encyclopedia.html
+++ b/site/docs/test-encyclopedia.html
@@ -318,7 +318,8 @@
 <code>/proc</code> shall be mounted.<br>
 All build tools shall be present at the absolute paths under <code>/usr</code> used by a local installation.<br>
 Paths starting with <code>/home</code> may not be available. Tests should not access any such paths.<br>
-<code>/tmp</code> and <code>/export/hda3/tmp</code> shall be writable, but tests should avoid using these paths.<br>
+<code>/tmp</code>
+shall be writable, but tests should avoid using these paths.<br>
 
 Tests must not assume that any constant path is available for their exclusive use.<br>
 Tests must not assume that atimes are enabled for any mounted filesystem.<br>